Path observation-based physical routing protocol for wireless ad hoc networks

Wireless ad hoc networks are an emerging multi-hop communication system among mobiles to deliver data packets. The special characteristics of wireless networks make the communication link between mobiles unreliable. To handle high mobility and environmental obstacles, most physical routing protocols do not consider stable links during packet transmission, which leads to higher delay and packet dropping in network. In this paper, we propose path observation-based physical routing protocol named POPR for WANET. The proposed routing protocol incorporates relative distance, direction and mid-range forwarder node with traffic density to forward the data towards destination in order to improve physical forwarding between and at the intersection. Simulation results show that the proposed routing protocol performs better than existing solutions.

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